From 9d944f26d359e4bc1ffd8e44350b0df9f0935b18 Mon Sep 17 00:00:00 2001 From: pryazha Date: Sun, 15 Jun 2025 16:11:31 +0500 Subject: something --- advanced_lighting/7.bloom/shaders/blur.frag | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 advanced_lighting/7.bloom/shaders/blur.frag (limited to 'advanced_lighting/7.bloom/shaders/blur.frag') diff --git a/advanced_lighting/7.bloom/shaders/blur.frag b/advanced_lighting/7.bloom/shaders/blur.frag new file mode 100644 index 0000000..67b7e43 --- /dev/null +++ b/advanced_lighting/7.bloom/shaders/blur.frag @@ -0,0 +1,29 @@ +#version 330 core + +in VS_OUT { + vec2 tex_coords; +} vs_out; + +out vec4 frag_color; + +uniform sampler2D image; +uniform bool horizontal; +uniform float weights[5] = float[](0.2270270270, 0.1945945946, 0.1216216216, 0.0540540541, 0.0162162162); + +void main(void) +{ + vec2 tex_offset = 1.0 / textureSize(image, 0); + vec3 result = texture(image, vs_out.tex_coords).rgb * weights[0]; + if (horizontal) { + for (int i = 1; i < 5; i++) { + result += texture(image, vs_out.tex_coords + vec2(tex_offset.x * i, 0.0)).rgb * weights[i]; + result += texture(image, vs_out.tex_coords - vec2(tex_offset.x * i, 0.0)).rgb * weights[i]; + } + } else { + for (int i = 1; i < 5; i++) { + result += texture(image, vs_out.tex_coords + vec2(0.0, tex_offset.y * i)).rgb * weights[i]; + result += texture(image, vs_out.tex_coords - vec2(0.0, tex_offset.y * i)).rgb * weights[i]; + } + } + frag_color = vec4(result, 1.0); +} -- cgit v1.2.3-70-g09d2